469457099689 has 2 divisors, whose sum is σ = 469457099690. Its totient is φ = 469457099688.

The previous prime is 469457099669. The next prime is 469457099729. The reversal of 469457099689 is 986990754964.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 453074379664 + 16382720025 = 673108^2 + 127995^2 .

It is a cyclic number.

It is not a de Polignac number, because 469457099689 - 2³¹ = 467309616041 is a prime.

It is not a weakly prime, because it can be changed into another prime (469457099609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 234728549844 + 234728549845.

It is an arithmetic number, because the mean of its divisors is an integer number (234728549845).

Almost surely, 2^469457099689 is an apocalyptic number.

It is an amenable number.

469457099689 is a deficient number, since it is larger than the sum of its proper divisors (1).

469457099689 is an equidigital number, since it uses as much as digits as its factorization.

469457099689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1058158080, while the sum is 76.

The spelling of 469457099689 in words is "four hundred sixty-nine billion, four hundred fifty-seven million, ninety-nine thousand, six hundred eighty-nine".